{"id":"https://openalex.org/W2888779779","doi":"https://doi.org/10.3390/s18092835","title":"Capturing Electrocardiogram Signals from Chairs by Multiple Capacitively Coupled Unipolar Electrodes","display_name":"Capturing Electrocardiogram Signals from Chairs by Multiple Capacitively Coupled Unipolar Electrodes","publication_year":2018,"publication_date":"2018-08-28","ids":{"openalex":"https://openalex.org/W2888779779","doi":"https://doi.org/10.3390/s18092835","mag":"2888779779","pmid":"https://pubmed.ncbi.nlm.nih.gov/30154303"},"language":"en","primary_location":{"id":"doi:10.3390/s18092835","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18092835","pdf_url":"https://www.mdpi.com/1424-8220/18/9/2835/pdf?version=1535429104","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/18/9/2835/pdf?version=1535429104","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024319953","display_name":"Zhongjie Hou","orcid":"https://orcid.org/0000-0002-1962-4900"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongjie Hou","raw_affiliation_strings":["State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China"],"raw_orcid":"https://orcid.org/0000-0002-1962-4900","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010341431","display_name":"Jinxi Xiang","orcid":"https://orcid.org/0000-0002-5476-3690"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinxi Xiang","raw_affiliation_strings":["State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China"],"raw_orcid":"https://orcid.org/0000-0002-5476-3690","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101526463","display_name":"Yonggui Dong","orcid":"https://orcid.org/0000-0003-3469-674X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yonggui Dong","raw_affiliation_strings":["State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069941189","display_name":"Xiaohui Xue","orcid":"https://orcid.org/0000-0003-3719-8391"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Xue","raw_affiliation_strings":["State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030157501","display_name":"Hao Xiong","orcid":"https://orcid.org/0000-0001-5479-7754"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Xiong","raw_affiliation_strings":["State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001216674","display_name":"Bin Yang","orcid":"https://orcid.org/0000-0001-7948-3823"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Yang","raw_affiliation_strings":["State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101526463"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.8714,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.76954834,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"18","issue":"9","first_page":"2835","last_page":"2835"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.7115136981010437},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.700463593006134},{"id":"https://openalex.org/keywords/schematic","display_name":"Schematic","score":0.6525949835777283},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5393517017364502},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4368707239627838},{"id":"https://openalex.org/keywords/capacitive-coupling","display_name":"Capacitive coupling","score":0.4325892925262451},{"id":"https://openalex.org/keywords/capacitive-sensing","display_name":"Capacitive sensing","score":0.42895859479904175},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.39591124653816223},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3800138235092163},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3664870262145996},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3393442630767822},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.22763845324516296},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22475707530975342},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15433034300804138}],"concepts":[{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.7115136981010437},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.700463593006134},{"id":"https://openalex.org/C192328126","wikidata":"https://www.wikidata.org/wiki/Q4514647","display_name":"Schematic","level":2,"score":0.6525949835777283},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5393517017364502},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4368707239627838},{"id":"https://openalex.org/C68278764","wikidata":"https://www.wikidata.org/wiki/Q444167","display_name":"Capacitive coupling","level":3,"score":0.4325892925262451},{"id":"https://openalex.org/C206755178","wikidata":"https://www.wikidata.org/wiki/Q1131271","display_name":"Capacitive sensing","level":2,"score":0.42895859479904175},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.39591124653816223},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3800138235092163},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3664870262145996},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3393442630767822},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.22763845324516296},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22475707530975342},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15433034300804138},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s18092835","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18092835","pdf_url":"https://www.mdpi.com/1424-8220/18/9/2835/pdf?version=1535429104","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:30154303","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30154303","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:1fc9be2883d04bbf9c5e77808d464740","is_oa":true,"landing_page_url":"https://doaj.org/article/1fc9be2883d04bbf9c5e77808d464740","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 18, Iss 9, p 2835 (2018)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5126285","is_oa":true,"landing_page_url":"http://europepmc.org/pmc/articles/PMC6163948","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/18/9/2835/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s18092835","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:6163948","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6163948","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s18092835","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18092835","pdf_url":"https://www.mdpi.com/1424-8220/18/9/2835/pdf?version=1535429104","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3721865172","display_name":null,"funder_award_id":"61671270","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2888779779.pdf","grobid_xml":"https://content.openalex.org/works/W2888779779.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W596238075","https://openalex.org/W1549386224","https://openalex.org/W1724431012","https://openalex.org/W1908618994","https://openalex.org/W1933258993","https://openalex.org/W1975938786","https://openalex.org/W1993129711","https://openalex.org/W1994717501","https://openalex.org/W2008268810","https://openalex.org/W2013756939","https://openalex.org/W2034883510","https://openalex.org/W2055741845","https://openalex.org/W2076965853","https://openalex.org/W2089468765","https://openalex.org/W2095409369","https://openalex.org/W2111155528","https://openalex.org/W2157495328","https://openalex.org/W2165154214","https://openalex.org/W2210137879","https://openalex.org/W2314020336","https://openalex.org/W2324571085","https://openalex.org/W2396113514","https://openalex.org/W2476054604","https://openalex.org/W2504690837","https://openalex.org/W2505619618","https://openalex.org/W2529008282","https://openalex.org/W2576857800","https://openalex.org/W2585906790","https://openalex.org/W2611644942","https://openalex.org/W2617820637","https://openalex.org/W2625083215","https://openalex.org/W2751480770","https://openalex.org/W2766415135","https://openalex.org/W2768957867","https://openalex.org/W2789551001","https://openalex.org/W2794105294","https://openalex.org/W2807683408","https://openalex.org/W6721540138"],"related_works":["https://openalex.org/W3154683910","https://openalex.org/W2350096308","https://openalex.org/W2768092448","https://openalex.org/W2895758062","https://openalex.org/W2048683560","https://openalex.org/W2044770004","https://openalex.org/W1966070768","https://openalex.org/W1994341348","https://openalex.org/W2953512238","https://openalex.org/W4387574169"],"abstract_inverted_index":{"A":[0],"prototype":[1],"of":[2,24,54,91,99,114,145],"an":[3,135],"electrocardiogram":[4],"(ECG)":[5],"signal":[6,48,116],"acquisition":[7],"system":[8],"with":[9],"multiple":[10,146],"unipolar":[11,66,84,182],"capacitively":[12],"coupled":[13,21],"electrodes":[14,22,59,77,85],"is":[15,49,109,148],"designed":[16],"and":[17,80,95,106,166],"experimentally":[18],"tested.":[19],"Capacitively":[20],"made":[23],"a":[25,52,65,92,181],"standard":[26],"printed":[27],"circuit":[28],"board":[29],"(PCB)":[30],"are":[31,78,86,104,122,157],"used":[32],"as":[33,140,142],"the":[34,39,57,69,89,112,119,132,164,172],"sensing":[35,55,58,76],"electrodes.":[36],"Different":[37],"from":[38,51,124],"conventional":[40],"measurement":[41],"schematics,":[42],"where":[43],"one":[44],"single":[45],"lead":[46],"ECG":[47,102,115,133,173],"acquired":[50],"pair":[53],"electrodes,":[56],"in":[60,64,118,179],"our":[61],"approaches":[62],"operate":[63],"mode,":[67],"i.e.,":[68],"biopotential":[70],"signals":[71,100,174],"picked":[72],"up":[73,131],"by":[74],"each":[75,125],"amplified":[79],"sampled":[81,105],"separately.":[82],"Four":[83],"mounted":[87],"on":[88,151,163],"backrest":[90],"regular":[93],"chair":[94,165],"therefore":[96],"four":[97,120],"channel":[98,121],"containing":[101],"information":[103],"processed.":[107],"It":[108],"found":[110],"that":[111,171],"qualities":[113],"contained":[117],"different":[123],"other.":[126],"In":[127],"order":[128],"to":[129],"pick":[130],"signal,":[134],"index":[136],"for":[137,143],"quality":[138],"evaluation,":[139],"well":[141],"aggregation":[144],"signals,":[147],"proposed":[149],"based":[150],"phase":[152],"space":[153],"reconstruction.":[154],"Experimental":[155],"tests":[156],"carried":[158],"out":[159],"while":[160],"subjects":[161],"sitting":[162],"clothed.":[167],"The":[168],"results":[169],"indicate":[170],"can":[175],"be":[176],"reliably":[177],"obtained":[178],"such":[180],"way.":[183]},"counts_by_year":[{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}